ZIP Code 62002

Zip Code: 62002
Type: Standard
Official USPS city name: Alton
Official USPS State Code: IL
Official State Name: Illinois
ZCTA: TRUE
Population: 31087.0
Density: 285.8
Primary Official County Code: 17119
Primary Official County Name: Madison
Official County Name: Madison| Macoupin
Official County Code: 17119| 17117
Imprecise: FALSE
Military: FALSE
Timezone: America/Chicago (08:50 AM Saturday, June 13 2026-06-13 (GMT -0500))
Geo Point: 38.93973, -90.12764

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